java软件开发工程师笔试题　

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1、java软件开发工程师笔试题选择题1：Inthefollowingcode,whichistheearlieststatement,wheretheobjectoriginallyheldine,maybegarbagecollected:classTest{2.publicstaticvoidmain(Stringargs[]){3.Employeee=newEmployee(〃Bob〃，48);4.0;5.(0);6.e=null:7.e=newEmployee(〃Denise〃，36);8.0;9.(0);10.}11.}OnlyOne:Inthe

2、followingcode,whichistheearlieststatement,wheretheobjectoriginallyheldine,maybegarbagecollected:classTest{2.publicstaticvoidmain(Stringargs[]){2.Employeee=newEmp1oyee(〃Bob〃，48);3.0;4.(0);5.e=null;7.e=newEmp1oyee("Denise〃，36);8.0;9.(0)；10.}11.}OnlyOne:1011782:Exhibit:1.publicelass

3、test(2.privatestaticintj=0;3.4.privatestaticbooleanmethodB(intk)(5.j+二k;6.returntrue;6.)7.8.publicstaticvoidmethodA(inti){9.booleanb:10.b=ill.b=il2.)13.14.publicstaticvoidmain(Stringargs[]}(15.methodA(0);16.(j):17.)18.)Whatistheresuit?programprints“0”programprints“4’’programprint

4、s“8”programprints“12”3:Whatiswrittentothestandardoutputgiventhefollowingstatement:(4

5、7);Se1ecttherightanswer:4:SelectvalididentifierofJava:Selectvalididentifierofjava:A.%passwd_gameC.$charge5:设有变量说明语句inta=1,b=0;则执行以下程序段的输出结果为0。switch(a){case1:switch(b){case0:printf(〃氺氺0氺氺〃)；break

6、;easel:printf(〃氺氺1氺氺〃)；break;}case2:printf(〃氺氺2氺氺〃)；break;}printf(//z/):B.氺氺0氺氺氺氺2氺氺C.氺氺0氺氺氺氺1氺氺氺氺2氺氺D.有语法错误6:Inthefollowingpiecesofcode,whichonewillcompilewithoutanyerror?sbl=z/abcd/z;b=newBoolean(〃abcd〃)；:byteb=255;fl=;7:Whatistheresultwhenyoucompileandrunthefollowingeode?publi

7、cclassThrowsDemo{staticvoidthrowMethod(){(〃InsidethrowMethod,);thrownewIllegalAccessException("demo");}publicstaticvoidmain(Stringargs口)throwMethodO:catch(IllegalAccessExceptione)("CaughV+e);Choices:Whatistheresultwhenyoucompileandrunthefollowingeode?publicclassThrowsDemostaticvo

8、idthrowMethod()(〃InsidethrowMethod,);thrownewlllegalAccessException("demo");publicstaticvoidmain(Stringargs口)throwMethod():catch(IllegalAccessExceptione)("CaughV'+e);Choices:errorerrorsuccessfully，nothingisprinted.throwMethod.followedbycaught::demo8:Whichofthefollowingstatementsa

9、renotlega1?1=4990;i=4L;d=;t=9:Givethefol